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Finding the Fourth Proportional to 352,980.16, 529,528.80 and 163,630.24

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Solution

The fourth proportional to 352,980.16, 529,528.80 and 163,630.24 is: 245,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,980.16 : 529,528.80 = 163,630.24 : x
  2. Step 2: Convert to fraction form
    352,980.16/529,528.80 = 163,630.24/x
  3. Step 3: Cross multiply
    352,980.16x = 529,528.80 × 163,630.24
  4. Step 4: Simplify right side
    352,980.16x = 86,646,924,630.91
  5. Step 5: Solve for x
    x = 86,646,924,630.91/352,980.16
  6. Step 6: Final answer
    x = 245,472.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.